UTC-3:   03   06   09   12   15   18   21   24
mdts    120  120  120  119  118  118  117  117
mdww    139  129  115  135  133  132  125  121
shts    1.1  1.1  1.1  1.2  1.1  1.1  1.1  1.0
shww    0.1  0.2  0.2  0.0  0.0  0.0  0.1  0.4